Radiation beam shutter collimator
First Claim
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1. A STRUCTURE FOR COLLIMATING A BEAM OF RADIATION DIRECTED FROM A SOURCE OF RADIATION TOWARD A DETECTOR, SAID STRUCTURE COMPRISING A CYLINDRICAL MEMBER MOUNTED FOR ROTATION ABOUT A LONGITUDINAL AXIS TRANSVERSELY SITUATED WITH RESPECT TO SAID RADIATION BEAM, SAID MEMBER HAVING REVERSE-TAPPERED RADIATION APERTURE PROVIDED THERETHROUGH WITH THE AXIS THEREOF POSITIONED PERPENDICULAR TO SAID AXIS OF ROTATION, THE CROSS-SECTIONAL AREA OF SAID APERTURE BEING SMALLER AT THE CENTER OF SAID MEMBER AT THE INTERSECTION OF SAID LONGITUDINAL AXES THAN AT THE SURFACE OF SAID MEMBER, AND MEANS FOR ROTATING SAID
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1 Claim
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1. A STRUCTURE FOR COLLIMATING A BEAM OF RADIATION DIRECTED FROM A SOURCE OF RADIATION TOWARD A DETECTOR, SAID STRUCTURE COMPRISING A CYLINDRICAL MEMBER MOUNTED FOR ROTATION ABOUT A LONGITUDINAL AXIS TRANSVERSELY SITUATED WITH RESPECT TO SAID RADIATION BEAM, SAID MEMBER HAVING REVERSE-TAPPERED RADIATION APERTURE PROVIDED THERETHROUGH WITH THE AXIS THEREOF POSITIONED PERPENDICULAR TO SAID AXIS OF ROTATION, THE CROSS-SECTIONAL AREA OF SAID APERTURE BEING SMALLER AT THE CENTER OF SAID MEMBER AT THE INTERSECTION OF SAID LONGITUDINAL AXES THAN AT THE SURFACE OF SAID MEMBER, AND MEANS FOR ROTATING SAID
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Current AssigneePhilip T. Martin
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Original AssigneePhilip T. Martin
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InventorsMartin, Philip T.
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Application NumberUS04/280,975Time in Patent Office1,230 DaysField of SearchUS Class Current378/153CPC Class CodesG01N 23/083 the radiation being X-raysG21K 1/043 changing time structure of ...
